Bai, Qinghong, Zhang, Shaowei, Chen, Hongrong, Sun, Tao, Redshaw, Carl, Zhang, Jian-Xin, Ni, Xin-Long, Wei, Gang, Tao, Zhu, "Alkyl substituted cucurbit[6]uril assisted competitive fluorescence recognition of lysine and methionine in aqueous solution", ChemistrySelect, 2017